Best Buy offers the new Apple Mac mini Intel Core i5 2.3GHz Desktop, model no. MC815LL/A, for $569.99 with free shipping. That's the lowest total price we could find for this just-released desktop by $15. Sales tax is added where applicable. It features an Intel Core i5 2.3GHz Sandy Bridge dual-core processor, 2GB RAM, 500GB 5400 rpm hard drive, 802.11a/n wireless, Gigabit Ethernet, Bluetooth 4.0, SDXC card slot, Thunderbolt, and Mac OS X 10.7 Lion.

Update: Amazon now charges the same, with sales tax added in far fewer locations.